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<div class="title">ETI_CplxTxt.h</div>  </div>
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<a href="_e_t_i___cplx_txt_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ========================================================================= */</span>
<a name="l00002"></a>00002 <span class="comment">/* ------------------------------------------------------------------------- */</span><span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">/*!</span>
<a name="l00004"></a>00004 <span class="comment">   \file            ETI_CplxTxt.h</span>
<a name="l00005"></a>00005 <span class="comment">   \date            september 2011</span>
<a name="l00006"></a>00006 <span class="comment">   \author      TNick</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment">   \brief       Contains the definition for ETI_CplxTxt class</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment">   Copyright (c) 2011, Nicu Tofan</span>
<a name="l00012"></a>00012 <span class="comment">   All rights reserved.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">   Redistribution and use in source and binary forms, with or without</span>
<a name="l00015"></a>00015 <span class="comment">   modification, are permitted provided that the following conditions are met:</span>
<a name="l00016"></a>00016 <span class="comment">   * Redistributions of source code must retain the above copyright</span>
<a name="l00017"></a>00017 <span class="comment">   notice, this list of conditions and the following disclaimer.</span>
<a name="l00018"></a>00018 <span class="comment">   * Redistributions in binary form must reproduce the above copyright</span>
<a name="l00019"></a>00019 <span class="comment">   notice, this list of conditions and the following disclaimer in the</span>
<a name="l00020"></a>00020 <span class="comment">   documentation and/or other materials provided with the distribution.</span>
<a name="l00021"></a>00021 <span class="comment">   * Neither the name of the copyright holder nor the</span>
<a name="l00022"></a>00022 <span class="comment">   names of its contributors may be used to endorse or promote products</span>
<a name="l00023"></a>00023 <span class="comment">   derived from this software without specific prior written permission.</span>
<a name="l00024"></a>00024 <span class="comment"></span>
<a name="l00025"></a>00025 <span class="comment">   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS &quot;AS IS&quot; AND</span>
<a name="l00026"></a>00026 <span class="comment">   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span>
<a name="l00027"></a>00027 <span class="comment">   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE</span>
<a name="l00028"></a>00028 <span class="comment">   DISCLAIMED. IN NO EVENT SHALL NICU TOFAN BE LIABLE FOR ANY</span>
<a name="l00029"></a>00029 <span class="comment">   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span>
<a name="l00030"></a>00030 <span class="comment">   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span>
<a name="l00031"></a>00031 <span class="comment">   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND</span>
<a name="l00032"></a>00032 <span class="comment">   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00033"></a>00033 <span class="comment">   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00034"></a>00034 <span class="comment">   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="comment">   */</span>
<a name="l00037"></a>00037 <span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00038"></a>00038 <span class="comment">/* ========================================================================= */</span>
<a name="l00039"></a>00039 <span class="preprocessor">#ifndef __ETI_CPLXTXT_INC__</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define __ETI_CPLXTXT_INC__</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="comment">//</span>
<a name="l00042"></a>00042 <span class="comment">//</span>
<a name="l00043"></a>00043 <span class="comment">//</span>
<a name="l00044"></a>00044 <span class="comment">//</span>
<a name="l00045"></a>00045 <span class="comment">/*  INCLUDES    ------------------------------------------------------------ */</span>
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="keyword">class       </span><a class="code" href="class_e_t_sub_item.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETSubItem</a>;
<a name="l00048"></a>00048 <span class="keyword">class       </span><a class="code" href="class_e_t_sheet.html" title="Class representing logical root for all elements contained in a document (sheet)">ETSheet</a>;
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 
<a name="l00051"></a>00051 <span class="preprocessor">#include    &lt;QDebug&gt;</span>
<a name="l00052"></a>00052 <span class="preprocessor">#include    &lt;QGraphicsObject&gt;</span>
<a name="l00053"></a>00053 <span class="preprocessor">#include    &lt;QFont&gt;</span>
<a name="l00054"></a>00054 <span class="preprocessor">#include    &lt;QDomElement&gt;</span>
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="preprocessor">#include    &lt;<a class="code" href="cc__l2d_8h.html" title="Contains the definition of CC_L2D class and related.">generic/cc_l2d.h</a>&gt;</span>
<a name="l00057"></a>00057 
<a name="l00058"></a>00058 <span class="preprocessor">#include    &lt;<a class="code" href="_e_t_s_i___root_8h.html" title="Contains the definition for ETSI_Root class.">sheet/subitems/ETSI_Root.h</a>&gt;</span>
<a name="l00059"></a>00059 
<a name="l00060"></a>00060 <span class="comment">/*  INCLUDES    ============================================================ */</span>
<a name="l00061"></a>00061 <span class="comment">//</span>
<a name="l00062"></a>00062 <span class="comment">//</span>
<a name="l00063"></a>00063 <span class="comment">//</span>
<a name="l00064"></a>00064 <span class="comment">//</span>
<a name="l00065"></a>00065 <span class="comment">/*  CLASS    --------------------------------------------------------------- */</span>
<a name="l00066"></a>00066 <span class="comment"></span>
<a name="l00067"></a>00067 <span class="comment">/// class representing a complex text; this may or may not represent an equation</span>
<a name="l00068"></a>00068 <span class="comment"></span><span class="comment">/**</span>
<a name="l00069"></a>00069 <span class="comment">*</span>
<a name="l00070"></a>00070 <span class="comment">*   As it is parented in ETSheet, the item inherits the</span>
<a name="l00071"></a>00071 <span class="comment">*   &lt;a href=&quot;http://doc.qt.nokia.com/latest/qgraphicsitem.html&quot;&gt;QGraphicsItem&lt;/a&gt;</span>
<a name="l00072"></a>00072 <span class="comment">*   and gets most of the functionality from it.</span>
<a name="l00073"></a>00073 <span class="comment">*</span>
<a name="l00074"></a>00074 <span class="comment">*   This is a host for a row of ETSubItem elements. Having a flexible model,</span>
<a name="l00075"></a>00075 <span class="comment">*   the component items may have sub-items on their turn.</span>
<a name="l00076"></a>00076 <span class="comment">*</span>
<a name="l00077"></a>00077 <span class="comment">*</span>
<a name="l00078"></a>00078 <span class="comment">*   \section creating Creating new complex texts</span>
<a name="l00079"></a>00079 <span class="comment">*   To place a new complex text in a ETSheet the constructor needs to be provided</span>
<a name="l00080"></a>00080 <span class="comment">*   with the (valid) sheet pointer and a position inside that sheet (document).</span>
<a name="l00081"></a>00081 <span class="comment">*   Then, a default ETSI_SText will be created as the one and only element.</span>
<a name="l00082"></a>00082 <span class="comment">*   Please note that a ETI_CplxTxt shall never be completly empty, as this would</span>
<a name="l00083"></a>00083 <span class="comment">*   result in it being invisible to the user.</span>
<a name="l00084"></a>00084 <span class="comment">*</span>
<a name="l00085"></a>00085 <span class="comment">*   The external world creates new complex texts most often using</span>
<a name="l00086"></a>00086 <span class="comment">*   ETVpCmd_NewTopElem command.</span>
<a name="l00087"></a>00087 <span class="comment">*</span>
<a name="l00088"></a>00088 <span class="comment">*   \section dimensions Dimensions. Bounding box.</span>
<a name="l00089"></a>00089 <span class="comment">*   The class instance keeps track of it&#39;s size using a ETSI_Root element.</span>
<a name="l00090"></a>00090 <span class="comment">*   To tigger a computation of sizes for all contained sub-items, call</span>
<a name="l00091"></a>00091 <span class="comment">*   recompute(). It will either update the properties of all items or only for those</span>
<a name="l00092"></a>00092 <span class="comment">*   that are affected by changes.</span>
<a name="l00093"></a>00093 <span class="comment">*</span>
<a name="l00094"></a>00094 <span class="comment">*</span>
<a name="l00095"></a>00095 <span class="comment">*   \section save_load  Saving and loading from xml file</span>
<a name="l00096"></a>00096 <span class="comment">*   Dealing with file storage from this class&#39;s point of view is fairly easy.</span>
<a name="l00097"></a>00097 <span class="comment">*   it implements the usual loadXML() and saveXML() that make use of</span>
<a name="l00098"></a>00098 <span class="comment">*   convenience functions ETSheet::loadQICommon() and ETSheet::saveQICommon().</span>
<a name="l00099"></a>00099 <span class="comment">*   to save QGraphicsItem&#39;s properties then the task of loading / saving is</span>
<a name="l00100"></a>00100 <span class="comment">*   passed to embedded ETSI_Root sub-item.</span>
<a name="l00101"></a>00101 <span class="comment">*</span>
<a name="l00102"></a>00102 <span class="comment">*</span>
<a name="l00103"></a>00103 <span class="comment">*   \section various    Various</span>
<a name="l00104"></a>00104 <span class="comment">*   makeCurrent() function will select the root element embedded in this item</span>
<a name="l00105"></a>00105 <span class="comment">*   as the current sub-item in the provided viewport.</span>
<a name="l00106"></a>00106 <span class="comment">*</span>
<a name="l00107"></a>00107 <span class="comment">*/</span>
<a name="l00108"></a><a class="code" href="class_e_t_i___cplx_txt.html">00108</a> <span class="keyword">class </span><a class="code" href="class_e_t_i___cplx_txt.html" title="class representing a complex text; this may or may not represent an equation">ETI_CplxTxt</a> : <span class="keyword">public</span> QGraphicsItem <a class="code" href="ddhc__main_8h.html#a11c872f3f4013282773f6329628a4989">DDHC_INHERIT</a>       {
<a name="l00109"></a><a class="code" href="class_e_t_i___cplx_txt.html#addb76a5cb315a1cc5fff4e016af97a33">00109</a>     <a class="code" href="ddhc__main_8h.html#a93273add2edbf58828a7c139577170ec">DDHC_CLASS</a>
<a name="l00110"></a>00110 
<a name="l00111"></a>00111     <span class="comment">//</span>
<a name="l00112"></a>00112     <span class="comment">//</span>
<a name="l00113"></a>00113     <span class="comment">//</span>
<a name="l00114"></a>00114     <span class="comment">//</span>
<a name="l00115"></a>00115     <span class="comment">/*  DEFINITIONS    ----------------------------------------------------- */</span>
<a name="l00116"></a>00116 
<a name="l00117"></a>00117 <span class="keyword">public</span>:
<a name="l00118"></a><a class="code" href="class_e_t_i___cplx_txt.html#a2f46f6eeab5260fc70f920c4525cdc1fa167d4126131c151b8d374d1a1fe960f7">00118</a>     <span class="keyword">enum</span> { <a class="code" href="class_e_t_i___cplx_txt.html#a2f46f6eeab5260fc70f920c4525cdc1fa167d4126131c151b8d374d1a1fe960f7">Type</a> = QGraphicsItem::UserType + 2 };
<a name="l00119"></a>00119 
<a name="l00120"></a>00120 
<a name="l00121"></a>00121     <span class="comment">/*  DEFINITIONS    ===================================================== */</span>
<a name="l00122"></a>00122     <span class="comment">//</span>
<a name="l00123"></a>00123     <span class="comment">//</span>
<a name="l00124"></a>00124     <span class="comment">//</span>
<a name="l00125"></a>00125     <span class="comment">//</span>
<a name="l00126"></a>00126     <span class="comment">/*  DATA    ------------------------------------------------------------ */</span>
<a name="l00127"></a>00127 
<a name="l00128"></a>00128 <span class="keyword">private</span>:
<a name="l00129"></a>00129 <span class="comment"></span>
<a name="l00130"></a>00130 <span class="comment">    /// the root item</span>
<a name="l00131"></a><a class="code" href="class_e_t_i___cplx_txt.html#af79d9753f43d28e05915c1bf193f572a">00131</a> <span class="comment"></span>    <a class="code" href="class_e_t_s_i___root.html" title="sub-item able to host a row of horizontal sub-items">ETSI_Root</a>       <a class="code" href="class_e_t_i___cplx_txt.html#af79d9753f43d28e05915c1bf193f572a" title="the root item">it_r</a>;
<a name="l00132"></a>00132 
<a name="l00133"></a>00133     <span class="comment">/*  DATA    ============================================================ */</span>
<a name="l00134"></a>00134     <span class="comment">//</span>
<a name="l00135"></a>00135     <span class="comment">//</span>
<a name="l00136"></a>00136     <span class="comment">//</span>
<a name="l00137"></a>00137     <span class="comment">//</span>
<a name="l00138"></a>00138     <span class="comment">/*  FUNCTIONS    ------------------------------------------------------- */</span>
<a name="l00139"></a>00139 
<a name="l00140"></a>00140 <span class="keyword">private</span>:
<a name="l00141"></a>00141 <span class="comment"></span>
<a name="l00142"></a>00142 <span class="comment">    /// internal function that is used by constructors to make basic initialisation</span>
<a name="l00143"></a>00143 <span class="comment"></span>    <span class="keywordtype">void</span>                <a class="code" href="class_e_t_i___cplx_txt.html#a7723a43d0881fe207599aee3e0241f9a" title="internal function that is used by constructors to make basic initialisation">init</a>                ( <span class="keywordtype">void</span> );
<a name="l00144"></a>00144 
<a name="l00145"></a>00145 <span class="comment"></span>
<a name="l00146"></a>00146 <span class="comment">    /// internal constructor used by loadXML() to create the new instance</span>
<a name="l00147"></a>00147 <span class="comment"></span>    <a class="code" href="class_e_t_i___cplx_txt.html#aebbd17a8b2444b1a4a29c422a1fa85ad" title="internal constructor used by loadXML() to create the new instance">ETI_CplxTxt</a>         ();
<a name="l00148"></a>00148 
<a name="l00149"></a>00149 
<a name="l00150"></a>00150 
<a name="l00151"></a>00151 <span class="keyword">public</span>:
<a name="l00152"></a>00152 <span class="comment"></span>
<a name="l00153"></a>00153 <span class="comment">    /// constructor</span>
<a name="l00154"></a>00154 <span class="comment"></span>    <a class="code" href="class_e_t_i___cplx_txt.html#aebbd17a8b2444b1a4a29c422a1fa85ad" title="internal constructor used by loadXML() to create the new instance">ETI_CplxTxt</a>         (
<a name="l00155"></a>00155             <a class="code" href="class_e_t_sheet.html" title="Class representing logical root for all elements contained in a document (sheet)">ETSheet</a> *       sht,
<a name="l00156"></a>00156             qreal           loc_x,
<a name="l00157"></a>00157             qreal           loc_y);
<a name="l00158"></a>00158 
<a name="l00159"></a>00159 <span class="comment"></span>
<a name="l00160"></a>00160 <span class="comment">    /// destructor</span>
<a name="l00161"></a>00161 <span class="comment"></span>    <span class="keyword">virtual</span>             <a class="code" href="class_e_t_i___cplx_txt.html#ab191ee15844ec92d63adce064a60c2a3" title="destructor">~ETI_CplxTxt</a>        ( <span class="keywordtype">void</span> );
<a name="l00162"></a>00162 
<a name="l00163"></a>00163 
<a name="l00164"></a>00164 <span class="comment"></span>
<a name="l00165"></a>00165 <span class="comment">    /// recompute internal data</span>
<a name="l00166"></a>00166 <span class="comment"></span>    <span class="keywordtype">void</span>                <a class="code" href="class_e_t_i___cplx_txt.html#a7766fe534a3545eae5855d0d1322291a" title="recompute internal data">recompute</a>       (<span class="keywordtype">bool</span> b_full = <span class="keyword">false</span>);
<a name="l00167"></a>00167 
<a name="l00168"></a>00168 <span class="comment"></span>
<a name="l00169"></a>00169 <span class="comment">    /// make it current in specified viewport</span>
<a name="l00170"></a><a class="code" href="class_e_t_i___cplx_txt.html#a63abd74b82b50d525ce84afa7cf449e5">00170</a> <span class="comment"></span>    <span class="keywordtype">void</span>                <a class="code" href="class_e_t_i___cplx_txt.html#a63abd74b82b50d525ce84afa7cf449e5" title="make it current in specified viewport">makeCurrent</a>     (<a class="code" href="class_e_t_sheet_view.html" title="Widget capable of displaying an ETSheet content.">ETSheetView</a> * vp)
<a name="l00171"></a>00171     { <a class="code" href="class_e_t_i___cplx_txt.html#af79d9753f43d28e05915c1bf193f572a" title="the root item">it_r</a>.<a class="code" href="class_e_t_sub_item.html#aaa26d242a3df778008a48b2df8fd5b36" title="the sub-item is to become current sub-item in viewport">makeCurrent</a>(vp); }
<a name="l00172"></a>00172 
<a name="l00173"></a>00173 <span class="comment"></span>
<a name="l00174"></a>00174 <span class="comment">    /// recives a point and acts as response of a mouse click</span>
<a name="l00175"></a>00175 <span class="comment"></span><span class="comment">    /**</span>
<a name="l00176"></a>00176 <span class="comment">    *   This function is used both by internal mechanism for click response</span>
<a name="l00177"></a>00177 <span class="comment">    *   and by any external parties that may be interested.</span>
<a name="l00178"></a>00178 <span class="comment">    */</span>
<a name="l00179"></a>00179     <span class="keywordtype">void</span>                <a class="code" href="class_e_t_i___cplx_txt.html#aafa2d148ab009cd8af43ab254ccca647" title="recives a point and acts as response of a mouse click">performClick</a>    (<a class="code" href="class_e_t_sheet_view.html" title="Widget capable of displaying an ETSheet content.">ETSheetView</a> * p_vp, QPointF pt);
<a name="l00180"></a>00180 
<a name="l00181"></a>00181 
<a name="l00182"></a>00182 
<a name="l00183"></a>00183 
<a name="l00184"></a>00184 
<a name="l00185"></a>00185     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00186"></a>00186 <span class="comment">    /** @name QGraphicsItem</span>
<a name="l00187"></a>00187 <span class="comment"> *  Reimplement some of the functions</span>
<a name="l00188"></a>00188 <span class="comment"> */</span><span class="comment"></span>
<a name="l00189"></a>00189 <span class="comment">    //@{</span>
<a name="l00190"></a>00190 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00191"></a>00191 
<a name="l00192"></a>00192 <span class="comment"></span>
<a name="l00193"></a>00193 <span class="comment">    /// the type of this item</span>
<a name="l00194"></a><a class="code" href="class_e_t_i___cplx_txt.html#a0e044598bc5b9d7aa6359aa1790948b1">00194</a> <span class="comment"></span>    <span class="keywordtype">int</span>                 <a class="code" href="class_e_t_i___cplx_txt.html#a0e044598bc5b9d7aa6359aa1790948b1" title="the type of this item">type</a>            ( <span class="keywordtype">void</span> )<span class="keyword"> const</span>
<a name="l00195"></a>00195 <span class="keyword">    </span>{ <span class="keywordflow">return</span> <a class="code" href="class_e_t_i___cplx_txt.html#a2f46f6eeab5260fc70f920c4525cdc1fa167d4126131c151b8d374d1a1fe960f7">Type</a>; }
<a name="l00196"></a>00196 
<a name="l00197"></a>00197 <span class="comment"></span>
<a name="l00198"></a>00198 <span class="comment">    /// defines the outer bounds of the item as a rectangle</span>
<a name="l00199"></a>00199 <span class="comment"></span>    QRectF              <a class="code" href="class_e_t_i___cplx_txt.html#ae9b4ae9249ec73c2b570e601436ad44b" title="defines the outer bounds of the item as a rectangle">boundingRect</a>    ( <span class="keywordtype">void</span> ) <span class="keyword">const</span>;
<a name="l00200"></a>00200 
<a name="l00201"></a>00201 <span class="comment"></span>
<a name="l00202"></a>00202 <span class="comment">    /// paints the contents of an item in local coordinates</span>
<a name="l00203"></a>00203 <span class="comment"></span>    <span class="keywordtype">void</span>                <a class="code" href="class_e_t_i___cplx_txt.html#a101efd55b8e5b12f4382cda353b818be" title="paints the contents of an item in local coordinates">paint</a>           (
<a name="l00204"></a>00204             QPainter *          painter,
<a name="l00205"></a>00205             <span class="keyword">const</span> QStyleOptionGraphicsItem *option,
<a name="l00206"></a>00206             QWidget *           widget
<a name="l00207"></a>00207             );
<a name="l00208"></a>00208 
<a name="l00209"></a>00209 <span class="comment"></span>
<a name="l00210"></a>00210 <span class="comment">    /// gives the shape of this item</span>
<a name="l00211"></a>00211 <span class="comment"></span>    QPainterPath        <a class="code" href="class_e_t_i___cplx_txt.html#a13a4944d4e2b4aeca8f0ea18832bfa63" title="gives the shape of this item">shape</a>           ( <span class="keywordtype">void</span> ) <span class="keyword">const</span>;
<a name="l00212"></a>00212 
<a name="l00213"></a>00213 <span class="comment"></span>
<a name="l00214"></a>00214 <span class="comment">    /// tell if a point is inside this item</span>
<a name="l00215"></a>00215 <span class="comment"></span>    <span class="keywordtype">bool</span>                <a class="code" href="class_e_t_i___cplx_txt.html#ade528aae64d637b0085a4213230a44ad" title="tell if a point is inside this item">contains</a>        (
<a name="l00216"></a>00216             <span class="keyword">const</span> QPointF&amp;  point
<a name="l00217"></a>00217             ) <span class="keyword">const</span>;
<a name="l00218"></a>00218 
<a name="l00219"></a>00219 
<a name="l00220"></a>00220 
<a name="l00221"></a>00221     <span class="keywordtype">bool</span>                <a class="code" href="class_e_t_i___cplx_txt.html#a8f8d213e933bea9a5725b6541a0a347d">sceneEvent</a>      (
<a name="l00222"></a>00222             QEvent *        event);
<a name="l00223"></a>00223 
<a name="l00224"></a>00224 
<a name="l00225"></a>00225 
<a name="l00226"></a>00226     <span class="keywordtype">void</span>    <a class="code" href="class_e_t_i___cplx_txt.html#ad04b58cc4cd9aa38f977b5dcfecec9eb">mousePressEvent</a>         ( QGraphicsSceneMouseEvent *event);
<a name="l00227"></a>00227     <span class="keywordtype">void</span>    <a class="code" href="class_e_t_i___cplx_txt.html#a98a8e2fea4fdc4b2b917b6c8c084f49a">mouseMoveEvent</a>          ( QGraphicsSceneMouseEvent *event);
<a name="l00228"></a>00228     <span class="keywordtype">void</span>    <a class="code" href="class_e_t_i___cplx_txt.html#a8b8b97bd6a712e81ff5c0d2dc7d1d33a">mouseReleaseEvent</a>       ( QGraphicsSceneMouseEvent *event);
<a name="l00229"></a>00229     <span class="keywordtype">void</span>    <a class="code" href="class_e_t_i___cplx_txt.html#a243665c86d234497a02800bb3b9b3b89">mouseDoubleClickEvent</a>   ( QGraphicsSceneMouseEvent * event );
<a name="l00230"></a>00230     <span class="keywordtype">void</span>    <a class="code" href="class_e_t_i___cplx_txt.html#a93cfa4c2a45155377722fe96ef2bc605">contextMenuEvent</a>        ( QGraphicsSceneContextMenuEvent *event);
<a name="l00231"></a>00231 
<a name="l00232"></a>00232 <span class="comment"></span>
<a name="l00233"></a>00233 <span class="comment">    //@}</span>
<a name="l00234"></a>00234 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00235"></a>00235 
<a name="l00236"></a>00236 
<a name="l00237"></a>00237 
<a name="l00238"></a>00238 
<a name="l00239"></a>00239     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00240"></a>00240 <span class="comment">    /** @name Internal root item</span>
<a name="l00241"></a>00241 <span class="comment"> *  Expose some of the characteristics of internal ETSI_Root item</span>
<a name="l00242"></a>00242 <span class="comment"> */</span><span class="comment"></span>
<a name="l00243"></a>00243 <span class="comment">    //@{</span>
<a name="l00244"></a>00244 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00245"></a>00245 <span class="comment"></span>
<a name="l00246"></a>00246 <span class="comment">    /// get the number of items</span>
<a name="l00247"></a><a class="code" href="class_e_t_i___cplx_txt.html#a4cf00ce26c8020917606ab5b005bda3f">00247</a> <span class="comment"></span>    <span class="keyword">inline</span> <span class="keywordtype">int</span>          <a class="code" href="class_e_t_i___cplx_txt.html#a4cf00ce26c8020917606ab5b005bda3f" title="get the number of items">count</a>   ( <span class="keywordtype">void</span> )<span class="keyword"> const</span>
<a name="l00248"></a>00248 <span class="keyword">    </span>{ <span class="keywordflow">return</span> <a class="code" href="class_e_t_i___cplx_txt.html#af79d9753f43d28e05915c1bf193f572a" title="the root item">it_r</a>.<a class="code" href="class_e_t_s_i___root.html#a3451026684d858e536e40504bd0f70dd" title="get the number of items">count</a>(); }
<a name="l00249"></a>00249 <span class="comment"></span>
<a name="l00250"></a>00250 <span class="comment">    /// get nth item</span>
<a name="l00251"></a><a class="code" href="class_e_t_i___cplx_txt.html#afe02a196c3b5a35b965e9e1e0bc2d9aa">00251</a> <span class="comment"></span>    <span class="keyword">inline</span> <a class="code" href="class_e_t_sub_item.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETSubItem</a>*   <a class="code" href="class_e_t_i___cplx_txt.html#afe02a196c3b5a35b965e9e1e0bc2d9aa" title="get nth item">item</a>    (<span class="keywordtype">int</span> i)<span class="keyword"> const</span>
<a name="l00252"></a>00252 <span class="keyword">    </span>{ <span class="keywordflow">return</span> <a class="code" href="class_e_t_i___cplx_txt.html#af79d9753f43d28e05915c1bf193f572a" title="the root item">it_r</a>.<a class="code" href="class_e_t_s_i___root.html#a99ebe1464595bb47e489630c6417101f" title="get nth item">item</a>(i); }
<a name="l00253"></a>00253 
<a name="l00254"></a>00254 <span class="comment"></span>
<a name="l00255"></a>00255 <span class="comment">    /// get first item</span>
<a name="l00256"></a><a class="code" href="class_e_t_i___cplx_txt.html#a2b9799d718c8421c52aaa69b257c2f47">00256</a> <span class="comment"></span>    <span class="keyword">inline</span> <a class="code" href="class_e_t_sub_item.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETSubItem</a>*   <a class="code" href="class_e_t_i___cplx_txt.html#a2b9799d718c8421c52aaa69b257c2f47" title="get first item">first</a>   ( <span class="keywordtype">void</span> )<span class="keyword">  const</span>
<a name="l00257"></a>00257 <span class="keyword">    </span>{ <span class="keywordflow">return</span> <a class="code" href="class_e_t_i___cplx_txt.html#af79d9753f43d28e05915c1bf193f572a" title="the root item">it_r</a>.<a class="code" href="class_e_t_s_i___root.html#aa52abffacae02c743c2437dc4fc7bfc9" title="get first item">first</a>(); }
<a name="l00258"></a>00258 
<a name="l00259"></a>00259 <span class="comment"></span>
<a name="l00260"></a>00260 <span class="comment">    /// get last item</span>
<a name="l00261"></a><a class="code" href="class_e_t_i___cplx_txt.html#a8e07877b34fc9fca77c06be21f0f5f83">00261</a> <span class="comment"></span>    <span class="keyword">inline</span> <a class="code" href="class_e_t_sub_item.html" title="class representing the common interface exposed by all sub-items of a ETI_CplxTxt">ETSubItem</a>*   <a class="code" href="class_e_t_i___cplx_txt.html#a8e07877b34fc9fca77c06be21f0f5f83" title="get last item">last</a>    ( <span class="keywordtype">void</span> )<span class="keyword">  const</span>
<a name="l00262"></a>00262 <span class="keyword">    </span>{ <span class="keywordflow">return</span> <a class="code" href="class_e_t_i___cplx_txt.html#af79d9753f43d28e05915c1bf193f572a" title="the root item">it_r</a>.<a class="code" href="class_e_t_s_i___root.html#a21bc5899cb863a85980b401a0ed6ac8d" title="get last item">last</a>(); }
<a name="l00263"></a>00263 
<a name="l00264"></a>00264 
<a name="l00265"></a><a class="code" href="class_e_t_i___cplx_txt.html#a40bc75cf03cbdf6ea4e78dbcfa67005f">00265</a>     <span class="keyword">inline</span> <span class="keywordtype">void</span>         <a class="code" href="class_e_t_i___cplx_txt.html#a40bc75cf03cbdf6ea4e78dbcfa67005f">dbgDump</a> ( <span class="keywordtype">void</span> )<span class="keyword"> const</span>
<a name="l00266"></a>00266 <span class="keyword">    </span>{ <a class="code" href="class_e_t_i___cplx_txt.html#af79d9753f43d28e05915c1bf193f572a" title="the root item">it_r</a>.<a class="code" href="class_e_t_s_i___root.html#aee724804473325145496676ee3d99698" title="dump this object">dumpDbg2</a>(); }
<a name="l00267"></a>00267 <span class="comment"></span>
<a name="l00268"></a>00268 <span class="comment">    //@}</span>
<a name="l00269"></a>00269 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00270"></a>00270 
<a name="l00271"></a>00271 
<a name="l00272"></a>00272 
<a name="l00273"></a>00273 
<a name="l00274"></a>00274     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00275"></a>00275 <span class="comment">    /** @name Others    */</span><span class="comment"></span>
<a name="l00276"></a>00276 <span class="comment">    //@{</span>
<a name="l00277"></a>00277 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00278"></a>00278 
<a name="l00279"></a>00279 <span class="comment"></span>
<a name="l00280"></a>00280 <span class="comment">    /// called to determine the sub-item that was hit</span>
<a name="l00281"></a>00281 <span class="comment"></span>    <span class="keywordtype">void</span>        <a class="code" href="class_e_t_i___cplx_txt.html#aeb38a87c67b56c66ab090cbe6bef015e" title="called to determine the sub-item that was hit">hitTest</a>     (<a class="code" href="struct_e_t_sub_item_1_1_ht_data.html" title="structure used with the hit test function to pass informations arround">ETSubItem::HtData</a> * h_data);
<a name="l00282"></a>00282 
<a name="l00283"></a>00283 <span class="comment"></span>
<a name="l00284"></a>00284 <span class="comment">    /// the item is cleared and brought to a state just like after creation</span>
<a name="l00285"></a>00285 <span class="comment"></span><span class="comment">    /**</span>
<a name="l00286"></a>00286 <span class="comment"> *  Specifically, all sub-items are removed. A new ETSI_SText item is</span>
<a name="l00287"></a>00287 <span class="comment"> *  created in default state and placed under root.</span>
<a name="l00288"></a>00288 <span class="comment"> */</span>
<a name="l00289"></a>00289     <span class="keywordtype">void</span>        <a class="code" href="class_e_t_i___cplx_txt.html#a90619dcc080b4d3e2bf7e1d3056a8073" title="the item is cleared and brought to a state just like after creation">reinit</a>      (
<a name="l00290"></a>00290             <span class="keywordtype">bool</span>            b_recomp = <span class="keyword">true</span>
<a name="l00291"></a>00291             );
<a name="l00292"></a>00292 
<a name="l00293"></a>00293 <span class="comment"></span>
<a name="l00294"></a>00294 <span class="comment">    /// removes the item from the ETI_CplxTxt item; may tigger an update</span>
<a name="l00295"></a>00295 <span class="comment"></span><span class="comment">    /**</span>
<a name="l00296"></a>00296 <span class="comment"> *  If multiple sub-items belonging to the</span>
<a name="l00297"></a>00297 <span class="comment"> *  same ETI_CplxTxt item have to be changed, \b b_recomp parameter may be</span>
<a name="l00298"></a>00298 <span class="comment"> *  set to false to prevent the function from recomputing all sub-items</span>
<a name="l00299"></a>00299 <span class="comment"> *  involved. The caller is responsible for calling ETI_CplxTxt::recompute()</span>
<a name="l00300"></a>00300 <span class="comment"> *  when all changes were applied.</span>
<a name="l00301"></a>00301 <span class="comment"> */</span>
<a name="l00302"></a>00302     <span class="keywordtype">void</span>                <span class="keyword">remove</span>          (
<a name="l00303"></a>00303             <span class="keywordtype">bool</span>            b_recomp = true
<a name="l00304"></a>00304             );
<a name="l00305"></a>00305 
<a name="l00306"></a>00306 <span class="comment"></span>
<a name="l00307"></a>00307 <span class="comment">    /// creates a new item containing specified type of sub-item</span>
<a name="l00308"></a>00308 <span class="comment"></span>    <span class="keyword">static</span> <a class="code" href="class_e_t_i___cplx_txt.html" title="class representing a complex text; this may or may not represent an equation">ETI_CplxTxt</a> *    <a class="code" href="class_e_t_i___cplx_txt.html#ad23a61a3f97aacb659478d09db0a4ebf" title="creates a new item containing specified type of sub-item">createHost</a>  (<a class="code" href="class_e_t_sheet.html" title="Class representing logical root for all elements contained in a document (sheet)">ETSheet</a> * dest, QPointF pos, <a class="code" href="class_e_t_sub_item.html#aa7307b06fe620851acea92b9b6e93ea6" title="enumeration that tells the types of sub-items we know about">ETSubItem::SIType</a> sit_ty);
<a name="l00309"></a>00309 
<a name="l00310"></a>00310 <span class="comment"></span>
<a name="l00311"></a>00311 <span class="comment">    //@}</span>
<a name="l00312"></a>00312 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00313"></a>00313 
<a name="l00314"></a>00314 
<a name="l00315"></a>00315 
<a name="l00316"></a>00316     <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span><span class="comment"></span>
<a name="l00317"></a>00317 <span class="comment">    /** @name Save and load */</span><span class="comment"></span>
<a name="l00318"></a>00318 <span class="comment">    //@{</span>
<a name="l00319"></a>00319 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00320"></a>00320 
<a name="l00321"></a>00321 <span class="keyword">public</span>:
<a name="l00322"></a>00322 <span class="comment"></span>
<a name="l00323"></a>00323 <span class="comment">    /// creates an viewport in specified sheet based on DOM node</span>
<a name="l00324"></a>00324 <span class="comment"></span>    <span class="keyword">static</span> <a class="code" href="class_e_t_i___cplx_txt.html" title="class representing a complex text; this may or may not represent an equation">ETI_CplxTxt</a> *    <a class="code" href="class_e_t_i___cplx_txt.html#af76d85272795dbc058c8e9ccf3395b6e" title="creates an viewport in specified sheet based on DOM node">loadXML</a>         (
<a name="l00325"></a>00325             <a class="code" href="class_e_t_sheet.html" title="Class representing logical root for all elements contained in a document (sheet)">ETSheet</a> *   dest,
<a name="l00326"></a>00326             QDomElement dom_e
<a name="l00327"></a>00327             );
<a name="l00328"></a>00328 <span class="comment"></span>
<a name="l00329"></a>00329 <span class="comment">    /// saves the item in provided DOM element</span>
<a name="l00330"></a>00330 <span class="comment"></span>    <span class="keywordtype">void</span>                    <a class="code" href="class_e_t_i___cplx_txt.html#a82b0bceeb2d7fb2b793138a2cd52b52c" title="saves the item in provided DOM element">saveXML</a>         (
<a name="l00331"></a>00331             QDomElement dom_e
<a name="l00332"></a>00332             );
<a name="l00333"></a>00333 
<a name="l00334"></a>00334 <span class="comment"></span>
<a name="l00335"></a>00335 <span class="comment">    //@}</span>
<a name="l00336"></a>00336 <span class="comment"></span>    <span class="comment">/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */</span>
<a name="l00337"></a>00337 
<a name="l00338"></a>00338 
<a name="l00339"></a>00339 
<a name="l00340"></a>00340 
<a name="l00341"></a>00341     <span class="comment">/*  FUNCTIONS    ======================================================= */</span>
<a name="l00342"></a>00342     <span class="comment">//</span>
<a name="l00343"></a>00343     <span class="comment">//</span>
<a name="l00344"></a>00344     <span class="comment">//</span>
<a name="l00345"></a>00345     <span class="comment">//</span>
<a name="l00346"></a>00346 
<a name="l00347"></a>00347 };  <span class="comment">/*  class ETI_CplxTxt   */</span>
<a name="l00348"></a>00348 
<a name="l00349"></a>00349 <span class="comment">/*  CLASS    =============================================================== */</span>
<a name="l00350"></a>00350 <span class="comment">//</span>
<a name="l00351"></a>00351 <span class="comment">//</span>
<a name="l00352"></a>00352 <span class="comment">//</span>
<a name="l00353"></a>00353 <span class="comment">//</span>
<a name="l00354"></a>00354 <span class="preprocessor">#endif // __ETI_CPLXTXT_INC__</span>
<a name="l00355"></a>00355 <span class="preprocessor"></span><span class="comment">/* ------------------------------------------------------------------------- */</span>
<a name="l00356"></a>00356 <span class="comment">/* ========================================================================= */</span>
</pre></div></div>
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